Contact Us

Where can you find us ?

Centre des Salorges (Port Authority Headquarters)

Nantes ‒ Saint Nazaire Port
18, Quai Ernest Renaud,
BP 18609,
44186 Nantes Cedex 4
(Loire Atlantique, France)

Tel.: (+33) (0)240 442 020

Reception hours: Monday to Friday, 8 a.m. to 12 p.m. and 1.30 p.m. to 5 p.m.


Montoir de Bretagne Port Operations Centre

Rue de la Pierre Percée,
BP 9,
44550 Montoir de Bretagne
(Loire Atlantique, France)


If you are a professional and you want to gain access to the other port facilities ?

Please go to our "Accessing the Port" page

How can you contact us ?

Do you have question ? Do you need some information ?

Please go to our "Questions and Answers" page.

If you want to send us a message, please fill out the following form :

The information collected is subject to computer processing intended solely to respond to your request. The recipients of the data are the departments of the Grand Port Maritime de Nantes Saint-Nazaire.

In accordance with the amended French Data Protection Act of 6 January 1978 and the General Regulation on the Protection of Personal Data (RGPD) of 27 April 2016, you have the right to access, rectify, delete, oppose, and port your personal data, as well as the right to limit the processing of your personal data. You also have the right to define general and specific directives defining the way in which you wish these rights to be exercised after your death You can exercise these rights by sending an e-mail to or by sending a letter, with your contact details, to [Grand Port Maritime de Nantes Saint-Nazaire, 18 quai Ernest Renaud, 44186 Nantes], and by providing proof of your identity by any means.

You also have the right to lodge a complaint with the CNIL, the authority in charge of compliance with obligations relating to personal data.

If you want to contact a company or to use a port-based service

Please go to our Directory of Port Professionals